2 files changed, 44 insertions, 0 deletions

diff --git a/include/litmus/litmus_proc.h b/include/litmus/litmus_proc.h
index 6800e725d48c..a5db24c03ec0 100644
--- a/include/litmus/litmus_proc.h
+++ b/include/litmus/litmus_proc.h
@@ -4,6 +4,22 @@
 int __init init_litmus_proc(void);
 void exit_litmus_proc(void);
 
+struct cd_mapping
+{
+        int id;
+        cpumask_var_t mask;
+        struct proc_dir_entry *proc_file;
+};
+
+struct domain_proc_info
+{
+        int num_cpus;
+        int num_domains;
+
+        struct cd_mapping *cpu_to_domains;
+        struct cd_mapping *domain_to_cpus;
+};
+
 /*
  * On success, returns 0 and sets the pointer to the location of the new
  * proc dir entry, otherwise returns an error code and sets pde to NULL.
@@ -17,6 +33,28 @@ long make_plugin_proc_dir(struct sched_plugin* plugin,
  */
 void remove_plugin_proc_dir(struct sched_plugin* plugin);
 
+/*
+ * Setup the CPU <-> sched domain mappings in proc
+ */
+long activate_domain_proc(struct domain_proc_info* map);
+
+/*
+ * Remove the CPU <-> sched domain mappings from proc
+ */
+long deactivate_domain_proc(void);
+
+/*
+ * Alloc memory for the mapping
+ * Note: Does not set up proc files. Use make_sched_domain_maps for that.
+ */
+long init_domain_proc_info(struct domain_proc_info* map,
+        int num_cpus, int num_domains);
+
+/*
+ * Free memory of the mapping
+ * Note: Does not clean up proc files. Use deactivate_domain_proc for that.
+ */
+void destroy_domain_proc_info(struct domain_proc_info* map);
 
 /* Copy at most size-1 bytes from ubuf into kbuf, null-terminate buf, and
  * remove a '\n' if present. Returns the number of bytes that were read or
diff --git a/include/litmus/sched_plugin.h b/include/litmus/sched_plugin.h
index 0f2fe90123db..f173dca7cd65 100644
--- a/include/litmus/sched_plugin.h
+++ b/include/litmus/sched_plugin.h
@@ -16,6 +16,8 @@
 typedef long (*activate_plugin_t) (void);
 typedef long (*deactivate_plugin_t) (void);
 
+struct domain_proc_info;
+typedef long (*get_domain_proc_info_t) (struct domain_proc_info **info);
 
 
 /********************* scheduler invocation ******************/
@@ -69,6 +71,9 @@ typedef long (*admit_task_t)(struct task_struct* tsk);
 
 typedef void (*release_at_t)(struct task_struct *t, lt_t start);
 
+/************************ misc routines ***********************/
+
+
 struct sched_plugin {
         struct list_head        list;
         /*      basic info              */
@@ -77,6 +82,7 @@ struct sched_plugin {
         /*      setup                   */
         activate_plugin_t       activate_plugin;
         deactivate_plugin_t     deactivate_plugin;
+        get_domain_proc_info_t  get_domain_proc_info;
 
         /*      scheduler invocation    */
         scheduler_tick_t        tick;